Backend Developer (Web3)

TL;DR

Backend Developer (Web3): Designing and implementing scalable, robust backend services and APIs for a crypto wallet application with an accent on database management, caching, and microservices architecture. Focus on building high-performance systems for Web3 applications and integrating third-party services like Solana RPCs.

Location: Remote (Global)

Company

hirify.global is a fast-growing crypto wallet providing a powerful gateway to Web3, securing over $20 billion in digital assets, with offices in Zagreb, Belgrade, and Novi Sad.

What you will do

• Design and implement scalable and robust backend services.
• Develop APIs and integrate third-party services and Solana RPCs.
• Manage databases (PostgreSQL, MongoDB) and ensure data integrity and security.
• Implement caching mechanisms using Redis for improved performance.
• Deploy and manage applications on cloud platforms (DigitalOcean, Google Cloud Platform).
• Design and implement a microservices architecture for scalability and maintainability.

Requirements

• Minimum of 4 years of experience in backend development with a focus on web2/web3 technologies.
• Proficient in Node.js, Express.js, PostgreSQL, MongoDB, Redis, and PrismaJS.
• Experience with cloud services (Google Cloud Platform, DigitalOcean) and DevOps practices.
• Experience with unit and integration tests using Jest.
• Knowledge of event-based architecture and microservices design patterns.
• Strong communication and collaboration skills.

Nice to have

• Familiarity with blockchain technologies, specifically Solana.
• Proficiency in machine learning concepts.
• Experience in designing and optimizing backends to handle large volumes of data efficiently.

Culture & Benefits

• Flexible work environment: remote or office, with flexible work time.
• Individual education budget.
• Cool team buildings.
• Private health insurance.
• Opportunity to learn about crypto.